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The AAPG/Datapages Combined Publications Database
Showing 20,259 Results. Searched 197,434 documents.
Finite Difference Modelling: Part III: Time-Step n-Tupling
Lasse Amundsen, Ørjan Pedersen, Martin Landrø
GEO ExPro Magazine
... and spatial derivatives, and s is the source term. For acoustic wave propagation, L=c2 2, where c=c(x) is the velocity, and 2 is the Laplacian given...
2018
Abstract: Physical Modeling for Azimuthal AVO Over a Simulated Fractured Medium; #90174 (2014)
Faranak Mahmoudian, Gary F. Margrave, and Joe Wong
Search and Discovery.com
.... Introduction Seismic modeling has an important role in improving our understanding of seismic wave propagation and in verification of new algorithms...
2014
Key Technologies for Processing of Seismic Data in Gas Cloud Area, Bohai Bay Basin, #42093 (2017).
Xia Tongxing, Ming Jun, Liu Lei, Zhou Xuefeng, Liu Hongxing, Liu Xuetong
Search and Discovery.com
..., or by using a special seismic acquisition geometry to avoid propagation of seismic wave through gas cloud. By optimizing conventional P-wave processing...
2017
Composite (VS/VP) Ratios in Transversely Isotropic Geology: Possible Aid for Identifying Organic Contamination in Porous Rocks
Alvin K. Benson
Environmental Geosciences (DEG)
... motion in line with the direction of propagation, and (2) a shear wave with particle motion perpendicular to the direction of propagation. At each boundary...
1996
Abstract: Determining Scale Properties from Seismic Transmission Responses: A Modeling Study; #90171 (2013)
Emmanuel L. Bongajum and Bernd Milkereit
Search and Discovery.com
... CSPG/CSEG/CWLS GeoConvention 2009, Calgary, Alberta, Canada, May 4-8, 2009 studies that will include explosive sources and wave propagation...
2013
Abstract: Determining Scale Properties from Seismic Transmission Responses: A Modeling Study; #90171 (2013)
Emmanuel L. Bongajum and Bernd Milkereit
Search and Discovery.com
... CSPG/CSEG/CWLS GeoConvention 2009, Calgary, Alberta, Canada, May 4-8, 2009 studies that will include explosive sources and wave propagation...
2013
Abstract: Seismic Evidence of Formation Damage in the Lower Colorado Group Shales; #90172 (2014)
Jeremy Gallop
Search and Discovery.com
..., 203-218. Schoenberg M. and Douma, J. 1988, Elastic wave propagation in media with parallel fractures and aligned cracks: Geophys. Prosp. 36, 571-590...
2014
Overburden Compensation: A Pragmatic Solution to the Frequency Dependent Amplitude Losses Associated With Laterally Variable Overburden
Swee Leng NG, Martin Bayly
Indonesian Petroleum Association
... in many parts of the world and especially in Asian basins. These "washouts" are typically the result of variable seismic wave propagation through complex...
2008
Abstract: Building Better Models Making Full Use of Petrophysical Data; #90211 (2015)
Elizabeth L’Heureux
Search and Discovery.com
... models to simulate 3D elastic and viscoelastic seismic wave propagation in random media. Seismic models thus far have shown that exploration target...
2015
DAS: The survival toolkit for geophysicists in the wilderness of unconventionals
Ge Jin
International Meeting for Applied Geoscience and Energy (IMAGE)
... between borehole fluid and surrounding casing or rocks. We observe a substantial difference of tube-wave propagation between stimulated and unstimulated...
2022
Estimation of Seismic Attenuation in the Delaware Basin Using Peak Frequencies
Małgorzata Drwiła, Leo Eisner, Zuzana Jechumtalová, Denis Anikiev, Randy Keller
Unconventional Resources Technology Conference (URTEC)
... be characterized by attenuation factors (Q) of ranging between 90 and 100 (with uncertainty of 30) for P-wave and S-waves, respectively. The ratio...
2018
New perturbation-based traveltime approximation for elastic VTI media
Shibo Xu, Alexey Stovas, Xingguo Huang
International Meeting for Applied Geoscience and Energy (IMAGE)
... University Summary We propose a perturbation-based approximation for P- and S-wave traveltime in a transversely isotropic medium with a vertical symmetry...
2022
Solving Shear-Wave Splitting in PS Data Processing of 3D 4C OBN Seismic Survey Offshore Nunukan, Indonesia
Andreas Waluyo, David Tilling, Supriyono, Rio Sebayang, Agus Warmar Rasa
Indonesian Petroleum Association
...). This stress exhibits azimuthal anisotropy in seismic waves, defined as the dependence of seismic wave speeds on propagation azimuth. In homogenous...
2020
Mainstream Mantle Convection: a Geologic Analysis of Plate Motion: DISCUSSION
Z. F. Danes
AAPG Bulletin
... value of the horizontal tidal perturbation in g; x is the east-west coordinate; c is the speed of propagation of the surface wave; and t is time...
1973
Abstract: Measuring the Anisotropy of Salt in the Mahogany Oil Field, Gulf of Mexico, by D. G. Raymer, J-M. Kendall, G. J. Beaudoin, M. C. Mueller, and R. R. Kendall; #90923 (1999)
Search and Discovery.com
1999
Abstract: Seismic velocity modeling of the Southern California Coastal Basins:Methods and Applications, by M. Peter Suess, Carlos Rivero, John H. Shaw, and Jeroen Tromp; #90066 (2007)
Search and Discovery.com
2007
Seismic Monitoring of Mineral Precipitation within a Fracture, by Laura J. Pyrak-Nolte, Zane A. Gilbert, #90027 (2004)
Search and Discovery.com
2004
Abstract: Elastodynamic FWI Efficiency Study With Partial Stacking in 2D; #90224 (2015)
Vladimir N. Zubov, Gary F. Margrave, and Michael P. Lamoureux
Search and Discovery.com
... signature, assumed known for simplicity. The misfit data block is a forward wave propagation using the estimated values for the physical parameters, while...
2015
Ultrasonic pulse velocities and dynamic elastic constants of sandstones from the Semanggol Formation, Beris Dam, Kedah Darul Aman
J. K. Raj
Geological Society of Malaysia (GSM)
.../s, and the coarse grained sandstone with velocities of 2.477, and 5.612, km/s, respectively. The medium grained sandstones have compressional and shear wave...
2021
Elastic impedance parameterization and inversion for fracture quasi-weaknesses and quasi-Thomsen parameters in fractured reservoirs with monoclinic symmetry
Wei Xiang, Xingyao Yin, Kun Li, Zhengqian Ma
International Meeting for Applied Geoscience and Energy (IMAGE)
... fractures in such monoclinic media because of the complexity of seismic wave propagation. Thomsen (1986) defined three anisotropic parameters...
2023
Internal-Wave Currents as a Mechanism to Account for Large Sand Waves in Navarinsky Canyon Head, Bering Sea
H. A. Karl, D. A. Cacchione, P. R. Carlson
Journal of Sedimentary Research (SEPM)
...Internal-Wave Currents as a Mechanism to Account for Large Sand Waves in Navarinsky Canyon Head, Bering Sea H. A. Karl, D. A. Cacchione, P. R...
1986
Application of Seismography to Geological Problems
Eugene McDermott
AAPG Bulletin
... the vibration of the particles is in the direction of wave propagation. Transverse waves also are generated in which the particles of the medium vibrate...
1931
Abstract: Modelling Near-field Effects in VSP-based Q-estimation Part 1: Theoretical Developments; #90171 (2013)
Arnim B. Haase and Robert R. Stewart
Search and Discovery.com
... with spherical wave models: CREWES Research Report, Volume 19. Kjartansson, E., 1979, Constant Q, wave propagation and attenuation: Journal...
2013
Abstract: Seismic Behaviour of CO2 Saturated Fontainebleau Sandstone under in Situ Conditions; #90224 (2015)
Mizanul Huq Chowdhury, Douglas R. Schmitt, and Randolf Kofman
Search and Discovery.com
..., the study of the effect of CO2 on seismic wave propagation is scientifically interesting because CO2 can exist in gas, liquid, and supercritical fluid...
2015
Characterization and simulation of transverse noise waves of a multisensor solid streamer
Viktor Smirnov, A. Sourice, J. Ribette, J. Mars, P. Herrmann
International Meeting for Applied Geoscience and Energy (IMAGE)
... characterization of these waves is proposed. Reviewing the classical model of transverse wave propagation, a new model of their velocity is obtained. This new...
2022